Illustration by Louis Agassiz Fuertes of a Red-headed Woodpecker (Melanerpes erythrocephalus) and a Downy Woodpecker (Picoides pubescens), from The Burgess Bird Book for Children
Date 1919
Source The Burgess Bird Book for Children, Thornton W. Burgess (Thornton Waldo Burgess), 1874-1965 http://www.biodiversitylibrary.org/page/18024820#page/123/mode/1up
Author Louis Agassiz Fuertes (1874–1927)   
Source: https://commons.wikimedia.org/wiki/File:Redhead_the_Woodpecker,_Downy_the_Woodpecker.jpg

The red-headed woodpecker (Melanerpes erythrocephalus) is a small or medium-sized woodpecker from temperate North America. Their breeding habitat is open country across southern Canada and the eastern-central United States.

The downy woodpecker (Dryobates pubescens syn. Picoides pubescens) is a species of woodpecker in North America. Adult downy woodpeckers are the smallest of North American woodpeckers.